diff --git a/src/main/kotlin/com/gzzn/omms/msgexchange/ingress/InboxPoller.kt b/src/main/kotlin/com/gzzn/omms/msgexchange/ingress/InboxPoller.kt
index d0a5ef4..d9b6e02 100644
--- a/src/main/kotlin/com/gzzn/omms/msgexchange/ingress/InboxPoller.kt
+++ b/src/main/kotlin/com/gzzn/omms/msgexchange/ingress/InboxPoller.kt
@@ -108,9 +108,9 @@ class InboxPoller(
     private fun contiguousUpTo(from: Long, rows: List<MailboxRow>): Long? {
         var expected = from + 1
         var last: Long? = null
-        for (row in rows) {
-            if (row.msgId != expected) break
-            last = row.msgId
+        for ((msgId, _) in rows) {
+            if (msgId != expected) break
+            last = msgId
             expected++
         }
         return last